Hydrogen and its compoundHard
Question
The aqueous solution of the follwoing salts will be coloured in the case fo :
Options
A.Zn(NO3)2
B.LiNO3
C.Co(NO3)2
D.CrCl3
Solution
Co2+[NiCo(NO3)2] and Cr3+ [in CrCl3 have E. C. [Ar]3d7, 4s0 and [Ar] 3d3, 4s0
respectively and thus are coloured due to d-d transition. Others are colourless.
respectively and thus are coloured due to d-d transition. Others are colourless.
Create a free account to view solution
View Solution FreeMore Hydrogen and its compound Questions
The brown ring complex compound is formulated as [Fe(H2O)5(NO)+]SO4. The oxidation state of iron is :...Which of the following transition will emit maximum energy in hydrogen atom :-...The volume of water which must be added to a mixture of 350 cm3 of 6M HCl and 650 ml of 3M HCl to get a resulting soluti...Given :-The enthalpy of the hydrogenation of these compounds will be in the order as :-...How many unpaired electrons are present in Ni2+ ?...